Species: potens (MARSH, 1887) SIMPSON, 1927
Etymology:
= Ctenacodon potens MARSH, 1887

Holotype: YPM 11834

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Fragmentary right upper jaw with teeth and fragmentary lower jaw with teeth.

Paratype:

USNM 2684: Left lower jaw containing teeth.

Referred material:

UPM 10363, USNM 2680, AMNH 3003:

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Species: fortis (MARSH, 1887)
Etymology:
= Allodon fortis MARSH, 1887

Holotype: YPM 11760

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Right premaxillare with teeth.

Paratypes:

USNM 2680: Left upper maxillary containing 3 premolars.

USNM 2679: Lower Incisor.
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Species: ? marshi SIMPSON, 1929
Etymology:

Holotype: USNM 2684

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Crushed and broken left lower jaw with the incisor, p1-4, and m1.

Referred material:

USNM 2690: p2-4.

USNM 2679: Isolated broken lower incisor.

YPM 13669: Isolated p4.

 

FOSTER & MARTIN, 1995, MARTIN & FORSTER, 1998

Locality: V9138, Little Houston Quarry, approximately 20 km west of Sundance in southern Crook County, just north of Little Houston Creek, northeast Wyoming.

Horizon: Lower portion of the upper third, Member? Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

SDSM 26912: Right dentary with p4-m1.